X-Git-Url: https://git.sesse.net/?p=cubemap;a=blobdiff_plain;f=input.h;h=f13975524ebf3fb5f7cd11fbfc4595cf35839554;hp=c293071ecfa7a9f7aae9562905841cac690dc040;hb=d4bc12548cd825607e257cbe01f3136ed524cb10;hpb=519ddcdf0458032a2024d7acc57642fe27829dc0

diff --git a/input.h b/input.h
index c293071..f139755 100644
--- a/input.h
+++ b/input.h
@@ -1,38 +1,51 @@
 #ifndef _INPUT_H
 #define _INPUT_H 1
 
-#include <vector>
 #include <string>
 
-class Input {
-public:
-	Input(const std::string &stream_id);
+#include "thread.h"
+
+class Input;
+class InputProto;
 
-	// Connect to the given URL and start streaming.
-	// WARNING: Currently this blocks; it does not run in a separate thread!
-	void run(const std::string &url);
+// Extremely rudimentary URL parsing.
+bool parse_url(const std::string &url, std::string *protocol, std::string *host, std::string *port, std::string *path);
 
-private:
-	// Recovers the this pointer and calls curl_callback().
-	static size_t curl_callback_thunk(char *ptr, size_t size, size_t nmemb, void *userdata);
+// Figure out the right type of input based on the URL, and create a new Input of the right type.
+// Will return NULL if unknown.
+Input *create_input(const std::string &url);
+Input *create_input(const InputProto &serialized);
 
-	// Stores the given data, looks for Metacube blocks (skipping data if needed),
-	// and calls process_block() for each one.
-	void curl_callback(char *ptr, size_t bytes);
-	void process_block(const char *data, uint32_t size, uint32_t flags);
+// Digested statistics for writing to logs etc.
+struct InputStats {
+	std::string url;
 
-	// Drops <num_bytes> bytes from the head of <pending_data>,
-	// and outputs a warning.
-	void drop_pending_data(size_t num_bytes);
+	// The number of bytes we have received so far, including any Metacube headers.
+	//
+	// Not reset across connections.
+	size_t bytes_received;
 
-	std::string stream_id;
+	// The number of data bytes we have received so far (or more precisely,
+	// number of data bytes we have sent on to the stream). This excludes Metacube
+	// headers and corrupted data we've skipped.
+	//
+	// Not reset across connections.
+	size_t data_bytes_received;
 
-	// Data we have received but not fully processed yet.
-	std::vector<char> pending_data;
+	// TODO: Number of loss events and connection time might both be useful,
+	// similar to for clients. Also, per-connection byte counters.
+};
 
-	// If <pending_data> starts with a Metacube header,
-	// this is true.
-	bool has_metacube_header;
+class Input : public Thread {
+public:
+	virtual ~Input();
+	virtual InputProto serialize() const = 0;
+	virtual std::string get_url() const = 0;
+	virtual void close_socket() = 0;
+	virtual void add_destination(int stream_index) = 0;
+
+	// Note: May be called from a different thread, so must be thread-safe.
+	virtual InputStats get_stats() const = 0;
 };
 
 #endif  // !defined(_INPUT_H)